00:1D:DD:00:00:00 to 00:1D:DD:FF:FF:FF
DAT H.K. LIMITED
Inspect this prefixRegistered address
Suite 1405 14/F., City Plaza 4, Tai Koo Wan Rd,
Tai Koo Shing Hong Kong Island 064828
Block details
- Registry
- MA-L, MAC Address Block Large (OUI)
- Prefix
- 00:1D:DD /24
- Addresses in block
- 16,777,216
- Decimal range
- 128,261,816,320 to 128,278,593,535
- Address type
- Unicast, universally administered
What this block covers
The classic 24 bit OUI. The registrant owns the first three octets and can assign every one of the remaining 16.7 million addresses.
Any MAC address between 00:1D:DD:00:00:00 and 00:1D:DD:FF:FF:FF belongs to this assignment. The registrant chooses the remaining 24 bits, so the same prefix can appear on very different products from the same company.